Home / 13,785.44-19,024.02-7,497.81

Finding the Fourth Proportional to 13,785.44, 19,024.02 and 7,497.81

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Solution

The fourth proportional to 13,785.44, 19,024.02 and 7,497.81 is: 10,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.44 : 19,024.02 = 7,497.81 : x
  2. Step 2: Convert to fraction form
    13,785.44/19,024.02 = 7,497.81/x
  3. Step 3: Cross multiply
    13,785.44x = 19,024.02 × 7,497.81
  4. Step 4: Simplify right side
    13,785.44x = 142,638,487.40
  5. Step 5: Solve for x
    x = 142,638,487.40/13,785.44
  6. Step 6: Final answer
    x = 10,347.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.